DE102004054646A1 - Lightweight sound-insulating panel for a body part of a motor vehicle and method for its production - Google Patents
Lightweight sound-insulating panel for a body part of a motor vehicle and method for its production Download PDFInfo
- Publication number
- DE102004054646A1 DE102004054646A1 DE102004054646A DE102004054646A DE102004054646A1 DE 102004054646 A1 DE102004054646 A1 DE 102004054646A1 DE 102004054646 A DE102004054646 A DE 102004054646A DE 102004054646 A DE102004054646 A DE 102004054646A DE 102004054646 A1 DE102004054646 A1 DE 102004054646A1
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- Prior art keywords
- sound
- insulation layer
- sound insulation
- polyurethane foam
- absorbing layer
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/129—Enhancing adhesion to the preformed part using an interlayer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/08—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles using several expanding or moulding steps
- B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
- B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
- B29C44/14—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed part being a lining
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/22—After-treatment of expandable particles; Forming foamed products
- C08J9/228—Forming foamed products
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Herstellung einer leichten, schallisolierenden Verkleidung für ein Karosserieteil eines Kraftfahrzeuges gemäß dem Oberbegriff des Anspruchs 1 sowie eine leichte, schallisolierende Verkleidung für ein Karosserieteil eines Kraftfahrzeuges, insbesondere in Form einer Stirnwandverkleidung, gemäß dem Oberbegriff des Anspruchs 11.The The invention relates to a method for producing a lightweight, soundproof panel for a body part of a motor vehicle according to the preamble of the claim 1 and a lightweight, sound-insulating panel for a body part a motor vehicle, in particular in the form of a front wall paneling, according to the generic term of claim 11.
Herkömmliche Stirnwandverkleidungen für Kraftfahrzeuge sind aus einer schalldämmenden Schwerschicht und einer als elastische Feder eines akustischen Feder-Masse-Systems wirkenden Schaumstoff- oder textilen Vlieslage aufgebaut. Das Flächengewicht derartiger Stirnwandverkleidungen liegt üblicherweise im Bereich oberhalb von 2 kg/m2.Conventional end wall panels for motor vehicles are constructed of a sound-absorbing heavy layer and acting as an elastic spring of an acoustic spring-mass system foam or textile nonwoven layer. The basis weight of such end wall linings is usually in the range above 2 kg / m 2 .
Aus
der
Der vorliegenden Erfindung liegt die Aufgabe zugrunde, eine schalldämmende sowie schalldämpfende Verkleidung, insbesondere eine Stirnwandverkleidung für Kraftfahrzeuge bereitzustellen, die ein geringes Gewicht aufweist und sich mit relativ geringen Herstellungskosten realisieren lässt. Zugleich soll ein Verfahren zur Herstellung einer solchen schallisolierenden Verkleidung angegeben werden.Of the present invention is based on the object, a sound-insulating and sound deadening Covering, in particular a front wall paneling for motor vehicles provide, which has a low weight and with can realize relatively low production costs. At the same time should a method for producing such a sound-insulating panel be specified.
Hinsichtlich des Verfahrens wird diese Aufgabe erfindungsgemäß durch das Verfahren mit den Merkmalen des Anspruchs 1 gelöst.Regarding of the method, this object is achieved by the method with the features of claim 1.
Bei dem erfindungsgemäßen Verfahren wird unter Verwendung eines Formwerkzeuges eine Schalldämmschicht aus Polyurethanschaum mit offenzelligem Polyurethan-Weichschaum zur Ausbildung einer schallabsorbierenden Schicht hinterschäumt oder eine schallabsorbierende Schicht aus Polyurethan-Weichschaum mit Polyurethanschaum zur Ausbildung einer Schalldämmschicht hinterschäumt. Das erfindungsgemäße Verfahren ist ferner im Wesentlichen dadurch gekennzeichnet, dass der Polyurethan-Weichschaum aus dem gleichen Isocyanat-Material und dem gleichen Polyol-Material erzeugt wird wie der Polyurethanschaum der Schalldämmschicht, jedoch mit unterschiedlichem Mischungsverhältnis von Isocyanat-Material und Polyol-Material, wobei der Gewichtsanteil des Isocyanat-Materials in der Mischung zur Herstellung der Schalldämmschicht größer eingestellt wird als in der Mischung zur Herstellung der schallabsorbierenden Schicht, so dass die Schalldämmschicht eine im Wesentlichen luftundurchlässige Außenhaut und eine höhere Rohdichte aufweist als die erzeugte schallabsorbierende Schicht.at the method according to the invention becomes a sound insulation layer using a mold made of polyurethane foam with open-cell flexible polyurethane foam Foamed back to form a sound-absorbing layer or a sound-absorbing layer of flexible polyurethane foam with Foamed polyurethane foam to form a sound insulation layer. The inventive method is also essentially characterized in that the polyurethane flexible foam produced from the same isocyanate material and the same polyol material becomes like the polyurethane foam of the sound insulation layer, but with different mixing ratio of isocyanate material and polyol material, wherein the weight fraction of the Isocyanate material set larger in the mixture for producing the sound insulation layer is used as in the mixture for producing the sound-absorbing layer, so that the soundproofing layer a substantially air-impermeable outer skin and a higher bulk density has as the sound-absorbing layer produced.
Mit dem erfindungsgemäßen Verfahren lassen sich besonders leichte schallisolierende Verkleidungen herstellen, die sowohl schalldämmend als auch schalldämpfend wirken. Die erhaltenen Verkleidungen reduzieren den Schallpegel im Fahrgastinnenraum erheblich und verbessern somit den Fahrkomfort des damit ausgerüsteten Kraftfahrzeuges. Andererseits erhöhen sie das Gewicht des Kraftfahrzeuges nur wenig, was für eine hohe Fahrleistung und einen niedrigen Kraftstoffverbrauch von Vorteil ist.With the method according to the invention it is possible to produce particularly lightweight sound-insulating panels, which both soundproofing as well as sound-absorbing Act. The obtained panels reduce the sound level in the passenger compartment considerably and thus improve the ride comfort of it equipped Motor vehicle. On the other hand, they increase the weight of the motor vehicle little, what kind of a high mileage and low fuel consumption of Advantage is.
Die erfindungsgemäße Herstellungsweise, wonach der Polyurethan-Weichschaum aus dem gleichen Isocyanat-Material und dem gleichen Polyol-Material erzeugt wird wie der Polyurethanschaum der Schalldämmschicht, ermöglicht eine Kosteneinsparung insbesondere in anlagentechnischer Hinsicht. Denn eine Anlage zur Herstellung erfindungsgemäßer Verkleidungen benötigt aufgrund der erfindungsgemäßen Reduzierung der Anzahl der verwendeten Rohstoffkomponenten eine geringere Anzahl von Anlagenteilen, wie Rohstoffvorratsbehälter, Leitungen, Pumpen, Steuerungen und andere Teile. Investitions- und Betriebskosten können dadurch eingespart werden. Ferner besteht die Möglichkeit, beim Einkauf der benötigten Rohstoffkomponenten Mengenrabatte zu erzielen, da mit der Reduzierung der Anzahl der verwendeten Rohstoffkomponenten eine komponentenspezifische Mengenerhöhung einhergeht.The Production method according to the invention, according to which the flexible polyurethane foam of the same isocyanate material and the same polyol material is produced as the polyurethane foam of sound insulation layer, allows a cost saving especially in terms of plant technology. Because a plant for the production of inventive panels needed due the reduction according to the invention the number of raw material components used a smaller number of Plant parts, such as raw material reservoirs, pipes, pumps, controls and other parts. Investment and operating costs can thereby be saved. It is also possible to purchase the required Raw material components to achieve volume discounts, as with the reduction the number of raw material components used a component-specific quantity increase accompanied.
Eine bevorzugte Ausgestaltung des erfindungsgemäßen Verfahrens ist dadurch gekennzeichnet, dass zur Verdichtung des Polyurethanschaums in der Schalldämmschicht das Mischungsverhältnis zu seiner Herstellung so eingestellt wird, dass 100 Gew.-% Polyol mit etwa 60 bis 70 Gew.-%, vorzugsweise etwa 63 bis 68 Gew.-% Isocyanat vermischt werden, wohingegen das Mischungsverhältnis zur Herstellung des Polyurethan-Weichschaums für die schallabsorbierende Schicht so eingestellt wird, dass 100 Gew.-% Polyol mit etwa 45 bis 55 Gew.-%, vorzugsweise etwa 48 bis 53 Gew.-% Isocyanat vermischt werden.A preferred embodiment of the method according to the invention is characterized in that the densification of the polyurethane foam in the sound insulation layer, the mixing ratio for its preparation is adjusted so that 100 wt .-% polyol with about 60 to 70 wt .-%, preferably Example, about 63 to 68 wt .-% isocyanate are mixed, whereas the mixing ratio for producing the flexible polyurethane foam for the sound-absorbing layer is adjusted so that 100 wt .-% polyol with about 45 to 55 wt .-%, preferably about 48 to 53 wt .-% isocyanate are mixed.
Eine andere vorteilhafte Ausgestaltung des erfindungsgemäßen Herstellungsverfahrens besteht darin, dass dem Polyol oder der Mischung zur Herstellung des Polyurethan-Weichschaums für die schallabsorbierende Schicht CO2 zugegeben wird. Hierdurch lässt sich die benötigte Menge an Rohstoffmaterial für die schallabsorbierende Schicht bzw. deren Rohdichte reduzieren.Another advantageous embodiment of the production method according to the invention is that CO 2 is added to the polyol or the mixture for producing the flexible polyurethane foam for the sound-absorbing layer. As a result, the required amount of raw material material for the sound-absorbing layer or its density can be reduced.
Eine weitere vorteilhafte Ausgestaltung des erfindungsgemäßen Verfahrens ist dadurch gekennzeichnet, dass eine Seite einer flexiblen Sperrfolie mit dem die Schalldämmschicht bildenden Polyurethanschaum und die andere Seite der Sperrfolie mit dem die schallabsorbierende Schicht bildenden Polyurethan-Weichschaum hinterschäumt wird.A further advantageous embodiment of the method according to the invention is characterized in that one side of a flexible barrier film with the sound insulation layer forming polyurethane foam and the other side of the barrier film with the sound-absorbing layer forming flexible polyurethane foam back-foamed becomes.
Üblicherweise werden zum Formschäumen verwendete Formen mit einem das Entformen der Schaumformteile erleichternden Trennmittel eingesprüht. Mittels der Sperrfolie lässt sich der Einsatz von Trennmittel beim Herstellen der Schichten der erfindungsgemäßen Verkleidung erheblich reduzieren, wenn die Sperrfolie so eingesetzt wird, dass sie die Funktion des Trennmittels zumindest teilweise mit übernimmt. Zudem verbessert die Sperrfolie die schalldämmende Wirkung der erfindungsgemäßen Verkleidung. Die Sperrfolie besteht vorzugsweise ebenfalls aus Polyurethan, wodurch die sortenreine Wiederverwertung (Recycling) der erfindungsgemäßen Verkleidung vereinfacht wird.Usually are used for foam molding Molds with a demolding of the foam moldings facilitating Release agent sprayed. By means of the barrier foil can be the use of release agent in the manufacture of the layers of the lining according to the invention significantly reduce when the barrier film is inserted so that it at least partially takes over the function of the release agent. In addition, the barrier film improves the sound-insulating effect of the panel according to the invention. The barrier film is preferably also made of polyurethane, which the sorted recycling (recycling) of the lining according to the invention is simplified.
Hinsichtlich der schalldämmenden sowie schalldämpfenden Verkleidung wird die oben angegebene Aufgabe erfindungsgemäß durch die Verkleidung mit den Merkmalen des Anspruchs 11 gelöst.Regarding the sound-absorbing as well as sound-absorbing Cladding is the task specified above according to the invention the cladding with the features of claim 11 solved.
Die erfindungsgemäße Verkleidung weist eine formgeschäumte Schalldämmschicht aus Polyurethanschaum und eine formgeschäumte schallabsorbierende Schicht aus offenzelligem Polyurethan-Weichschaum auf, wobei die Schalldämmschicht und die schallabsorbierende Schicht aneinandergeschäumt sind. Die Schalldämmschicht ist aus dem gleichen Isocyanat-Material und dem gleichen Polyol-Material hergestellt wie die schallabsorbierende Schicht, jedoch mit unterschiedlichem Mischungsverhältnis von Isocyanat-Material und Polyol-Material derart, dass sie eine höhere Rohdichte aufweist und härter ist als die schallabsorbierende Schicht, wobei die Schalldämmschicht eine im Wesentlichen luftundurchlässige Außenhaut aufweist.The inventive panel has a formgeschäumte sound insulation layer polyurethane foam and a molded foam sound absorbing layer made of open-cell flexible polyurethane foam, with the soundproofing layer and the sound absorbing layer are foamed together. The sound insulation layer is from the same isocyanate material and the same polyol material made like the sound absorbing layer, but with different sound mixing ratio of isocyanate material and polyol material such that it has a higher bulk density and harder is considered the sound absorbing layer, wherein the sound insulation layer having a substantially air-impermeable outer skin.
In einer bevorzugten Ausgestaltung der erfindungsgemäßen Verkleidung ist vorgesehen, dass die Schalldämmschicht am Rand der Verkleidung eine flexible Dichtlippe bildet. Die flexible Dichtlippe gleicht eventuelle Fertigungs toleranzen aus und stellt so eine optimale Anpassung der Verkleidung an angrenzende Bauteile bzw. Karosseriewandabschnitte sicher. Hierdurch wird die schalldämmende Wirkung der erfindungsgemäßen Verkleidung optimiert.In a preferred embodiment of the lining according to the invention is provided that the sound insulation layer forms a flexible sealing lip at the edge of the cladding. The flexible Sealing lip compensates for any manufacturing tolerances and provides so an optimal adaptation of the cladding to adjacent components or body wall sections safely. As a result, the sound-absorbing effect of Panel according to the invention optimized.
Eine andere vorteilhafte Ausgestaltung der erfindungsgemäßen Verkleidung sieht vor, dass an der Schalldämmschicht ein oder mehrere Befestigungselemente und/oder eine oder mehrere tüllenförmige Kabeldurchführungen einstückig integriert sind. Bei den Befestigungselementen kann es sich beispielsweise um klammerartiger Kabelhalter, Schlauchhalter oder dergleichen handeln. Durch die Integration solcher Befestigungselemente an der Schalldämmschicht lassen sich gegebenenfalls der Arbeitsaufwand und somit die Kosten für eine Montage entsprechender Leitungen reduzieren. Die tüllenförmigen Kabeldurchführungen dienen einer abgedichteten Durchführung von Kabeln und/oder Leitungen durch die Verkleidung.A Another advantageous embodiment of the lining according to the invention provides that at the sound insulation layer one or more fasteners and / or one or more sleeve-shaped cable glands one piece are integrated. The fasteners may be, for example act to clip-type cable holder, hose holder or the like. By integrating such fasteners on the sound insulation layer If necessary, the amount of work and thus the costs for one Reduce installation of corresponding lines. The sleeve-shaped cable glands serve a sealed passage of cables and / or cables through the disguise.
Weitere bevorzugte und vorteilhafte Ausgestaltungen der erfindungsgemäßen Verkleidung und des Verfahrens zu ihrer Herstellung sind in den Unteransprüchen angegeben.Further preferred and advantageous embodiments of the lining according to the invention and the method for their preparation are given in the subclaims.
Nachfolgend wird die Erfindung anhand einer mehrere Ausführungsbeispiele darstellenden Zeichnung näher erläutert. Es zeigen schematisch:following the invention will be described with reference to a several embodiments illustrative drawing explained in more detail. It show schematically:
Die
schallisolierende Verkleidung gemäß der Erfindung ist vorzugsweise
als fahrgastraumseitige Stirnwandverkleidung
Wie
in den
Die
Verkleidung
Erfindungsgemäß ist die
Schalldämmschicht
Das
Mischungsverhältnis
zur Herstellung der verdichteten Polyurethan-Weichschaumschicht (Schalldämmschicht
Das
Mischungsverhältnis
zur Herstellung des Polyurethan-Weichschaums
für die
schallabsorbierende Schicht
Trotz
ihrer vergleichsweise hohen Rohdichte ist die Schalldämmschicht
Mit
einer derartigen Dichtlippe
Wie
in
Des
weiteren können
an der Schalldämmschicht
Die
erfindungsgemäße Verkleidung
Der
Mischung zur Herstellung der Schalldämmschicht
Mindestens
eines der Formwerkzeuge
Nach
der Herstellung der Schalldämmschicht
Die
Rohdichte der schallabsorbierenden Schicht
Die
Dicke der schallabsorbierenden Schicht
Bei
dem in
Die
Herstellung einer Verkleidung gemäß
Die
Ausführung
der Erfindung ist nicht auf die vorstehend beschriebenen Ausführungsbeispiele
beschränkt.
Vielmehr sind verschiedene weitere Varianten denkbar. So können an
der Schalldämmschicht
Claims (20)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004054646A DE102004054646B4 (en) | 2004-11-11 | 2004-11-11 | Lightweight sound-insulating panel for a body part of a motor vehicle and method for its production |
JP2007540584A JP2008519704A (en) | 2004-11-11 | 2005-11-10 | Lightweight sound insulation coating for automobile body parts and method of manufacturing the same |
CNA2005800385200A CN101056750A (en) | 2004-11-11 | 2005-11-10 | Light-weight sound-absorbing covering for a body part of a motor vehicle and method for producting the same |
DE502005009654T DE502005009654D1 (en) | 2004-11-11 | 2005-11-10 | LIGHT SOUND INSULATING COVERING FOR A BODY PART OF A MOTOR VEHICLE AND METHOD FOR THE PRODUCTION THEREOF |
KR1020077013136A KR20070086032A (en) | 2004-11-11 | 2005-11-10 | Light-weight sound-absorbing covering for a body part of a motor vehicle and method for producting the same |
AT05810923T ATE468957T1 (en) | 2004-11-11 | 2005-11-10 | LIGHTWEIGHT SOUND-ISOLATIVE COVERING FOR A BODY PART OF A MOTOR VEHICLE AND METHOD FOR PRODUCING SAME |
PCT/EP2005/012078 WO2006050961A1 (en) | 2004-11-11 | 2005-11-10 | Light-weight sound-absorbing covering for a body part of a motor vehicle and method for producing the same |
EP05810923A EP1809460B1 (en) | 2004-11-11 | 2005-11-10 | Light-weight sound-absorbing covering for a body part of a motor vehicle and method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004054646A DE102004054646B4 (en) | 2004-11-11 | 2004-11-11 | Lightweight sound-insulating panel for a body part of a motor vehicle and method for its production |
Publications (2)
Publication Number | Publication Date |
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DE102004054646A1 true DE102004054646A1 (en) | 2006-06-01 |
DE102004054646B4 DE102004054646B4 (en) | 2008-12-04 |
Family
ID=35677709
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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DE102004054646A Expired - Fee Related DE102004054646B4 (en) | 2004-11-11 | 2004-11-11 | Lightweight sound-insulating panel for a body part of a motor vehicle and method for its production |
DE502005009654T Active DE502005009654D1 (en) | 2004-11-11 | 2005-11-10 | LIGHT SOUND INSULATING COVERING FOR A BODY PART OF A MOTOR VEHICLE AND METHOD FOR THE PRODUCTION THEREOF |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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DE502005009654T Active DE502005009654D1 (en) | 2004-11-11 | 2005-11-10 | LIGHT SOUND INSULATING COVERING FOR A BODY PART OF A MOTOR VEHICLE AND METHOD FOR THE PRODUCTION THEREOF |
Country Status (7)
Country | Link |
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EP (1) | EP1809460B1 (en) |
JP (1) | JP2008519704A (en) |
KR (1) | KR20070086032A (en) |
CN (1) | CN101056750A (en) |
AT (1) | ATE468957T1 (en) |
DE (2) | DE102004054646B4 (en) |
WO (1) | WO2006050961A1 (en) |
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WO2008135357A1 (en) | 2007-05-02 | 2008-11-13 | Carcoustics Techconsult Gmbh | Lightweight, sound-insulating lining for a body part of a motor vehicle, and method for the production thereof |
DE102009020995A1 (en) * | 2009-05-12 | 2011-02-10 | Dr. Freist Automotive Bielefeld Gmbh | Lightweight, sound-insulating panel for a body part or a component of a motor vehicle and method for its production |
WO2011023303A1 (en) | 2009-08-26 | 2011-03-03 | Bayer Materialscience Ag | Method for producing sound-absorbing flexible moulded foams |
DE102010035431A1 (en) | 2010-08-26 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Broadband sound absorber |
US8276710B2 (en) | 2006-02-24 | 2012-10-02 | Bayer Materialscience Ag | Method for producing a lightweight, sound insulating covering for motor vehicles and corresponding covering |
DE102011078935A1 (en) | 2011-07-11 | 2013-01-17 | Bayerische Motoren Werke Aktiengesellschaft | Highly absorptive sound insulation component, in particular for the motor vehicle interior |
DE102011107693A1 (en) | 2011-07-13 | 2013-01-17 | Otto Bock Schaumsysteme Gmbh | Increasing the sound absorption in insulating materials |
WO2020058452A1 (en) * | 2018-09-20 | 2020-03-26 | Treves Products, Services & Innovation | Sound protection panel for a motor vehicle engine compartment |
WO2020092800A1 (en) * | 2018-10-31 | 2020-05-07 | H.B. Fuller Company | Two component polyurethane system for liquid applied sound deadener |
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FR2919218B1 (en) * | 2007-07-25 | 2011-12-02 | Faurecia Automotive Ind | INSONORIZATION MOLD COMPONENT AND METHOD FOR MANUFACTURING THE SAME |
JP5176769B2 (en) * | 2008-08-07 | 2013-04-03 | 三菱自動車工業株式会社 | Washer inlet mounting structure |
BR112012000493B1 (en) * | 2009-07-10 | 2019-05-21 | Huntsman International Llc | CRYSTALLINE FOAM, AND PROCESS FOR PREPARING A CRYSTALLINE FOAM. |
CN102820029B (en) * | 2012-08-24 | 2014-06-18 | 广州市泰力高复合材料有限公司 | Muffling structure |
EP3012155A1 (en) * | 2014-10-20 | 2016-04-27 | Autoneum Management AG | Main floor part for a small utility vehicle |
FR3055598B1 (en) * | 2016-09-02 | 2021-06-11 | Cera Aps | ACOUSTIC PROTECTION SCREEN FOR MOTOR VEHICLE ENGINES |
DE102016222328A1 (en) | 2016-11-14 | 2018-05-17 | Volkswagen Aktiengesellschaft | Method for producing a sound-absorbing component, in particular a trim part, for a motor vehicle, and sound-insulating component |
CN108263300B (en) * | 2016-12-30 | 2020-03-27 | 诺博汽车系统有限公司 | Sound and heat insulation composition, sound and heat insulation material, preparation method of sound and heat insulation material, automobile front wall sound and heat insulation pad and automobile carpet |
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US8276710B2 (en) | 2006-02-24 | 2012-10-02 | Bayer Materialscience Ag | Method for producing a lightweight, sound insulating covering for motor vehicles and corresponding covering |
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DE102007020832A1 (en) * | 2007-05-02 | 2008-11-13 | Bayer Materialscience Ag | Lightweight, sound-insulating panel for a body part of a motor vehicle and method for its production |
DE102007020832B4 (en) * | 2007-05-02 | 2009-02-26 | Bayer Materialscience Ag | Lightweight, sound-insulating panel for a body part of a motor vehicle and method for its production |
US7980358B2 (en) | 2007-05-02 | 2011-07-19 | Bayer Materialscience Ag | Lightweight, sound-insulating lining for a body part of a motor vehicle, and method for the production thereof |
WO2008135357A1 (en) | 2007-05-02 | 2008-11-13 | Carcoustics Techconsult Gmbh | Lightweight, sound-insulating lining for a body part of a motor vehicle, and method for the production thereof |
DE102009020995A1 (en) * | 2009-05-12 | 2011-02-10 | Dr. Freist Automotive Bielefeld Gmbh | Lightweight, sound-insulating panel for a body part or a component of a motor vehicle and method for its production |
WO2011023303A1 (en) | 2009-08-26 | 2011-03-03 | Bayer Materialscience Ag | Method for producing sound-absorbing flexible moulded foams |
US8950548B2 (en) | 2010-08-25 | 2015-02-10 | Hp Pelzer Holding Gmbh | Broadband sound absorber |
WO2012025253A1 (en) | 2010-08-25 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Broadband sound absorber |
DE102010035431A1 (en) | 2010-08-26 | 2012-03-01 | Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung | Broadband sound absorber |
DE102011078935A1 (en) | 2011-07-11 | 2013-01-17 | Bayerische Motoren Werke Aktiengesellschaft | Highly absorptive sound insulation component, in particular for the motor vehicle interior |
WO2013007489A2 (en) | 2011-07-11 | 2013-01-17 | Hp Pelzer Holding Gmbh | Highly absorptive sound insulation component, in particular for the motor vehicle interior |
DE102011107693A1 (en) | 2011-07-13 | 2013-01-17 | Otto Bock Schaumsysteme Gmbh | Increasing the sound absorption in insulating materials |
WO2013007243A1 (en) | 2011-07-13 | 2013-01-17 | Otto Bock Schaumsysteme Gmbh | Increasing the sound absorption in foam insulating materials |
DE212012000132U1 (en) | 2011-07-13 | 2014-02-26 | Otto Bock Schaumsysteme Gmbh | Increasing the sound absorption in foam insulation materials |
WO2020058452A1 (en) * | 2018-09-20 | 2020-03-26 | Treves Products, Services & Innovation | Sound protection panel for a motor vehicle engine compartment |
FR3086197A1 (en) * | 2018-09-20 | 2020-03-27 | Treves Products, Services & Innovation | ACOUSTIC PROTECTION PANEL FOR MOTOR VEHICLE COMPARTMENT |
WO2020092800A1 (en) * | 2018-10-31 | 2020-05-07 | H.B. Fuller Company | Two component polyurethane system for liquid applied sound deadener |
CN112969735A (en) * | 2018-10-31 | 2021-06-15 | H.B.富乐公司 | Two-component polyurethane system for liquid-applied sound absorbers |
CN112969735B (en) * | 2018-10-31 | 2023-03-10 | H.B.富乐公司 | Two-component polyurethane system for liquid-applied sound absorbers |
Also Published As
Publication number | Publication date |
---|---|
ATE468957T1 (en) | 2010-06-15 |
KR20070086032A (en) | 2007-08-27 |
DE102004054646B4 (en) | 2008-12-04 |
EP1809460B1 (en) | 2010-05-26 |
WO2006050961A1 (en) | 2006-05-18 |
EP1809460A1 (en) | 2007-07-25 |
JP2008519704A (en) | 2008-06-12 |
CN101056750A (en) | 2007-10-17 |
DE502005009654D1 (en) | 2010-07-08 |
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